package main

import (
	"fmt"
	"io"
	"os"
	"reflect"
)

func main() {
	of := reflect.TypeOf(3)
	fmt.Println("reflect.TypeOf(3): ", of)
	fmt.Println("reflect.TypeOf(3): ", of.String())

	var w io.Writer = os.Stdout
	fmt.Println("os.Stdout: ", reflect.TypeOf(w)) // "*os.File"

}
